Disable clippy until Manishearth/rust-clippy#1174 is fixed

serde_macros/Cargo.toml

@@ -16,7 +16,6 @@ plugin = true
 
 [features]
 unstable-testing = [
-    "clippy",
     "skeptic",
     "serde_json",
     "serde/unstable-testing",
@@ -33,7 +32,6 @@ skeptic = { version = "^0.6.0", optional = true }
 serde_json = { version = "0.8.0", optional = true }
 
 [dev-dependencies]
-clippy = "^0.*"
 compiletest_rs = "^0.2.0"
 fnv = "1.0"
 rustc-serialize = "^0.3.16"

serde_macros/tests/run-pass/identity-op.rs

@@ -1,5 +1,5 @@
 #![feature(custom_derive, plugin)]
-#![plugin(serde_macros, clippy)]
+#![plugin(serde_macros)]
 
 #![deny(identity_op)]